Analysis of backscattered light spectra of SRS and SBS in hohlraum plasma

Hao Liang; Liu Zhanjun; Hu Xiaoyan; Xiang Jiang; Li Bin; Zheng Chunyang; Zhu Shaoping

doi:10.11884/HPLPB201527.032004

Volume 27 Issue 03

Mar. 2015

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Xia Zhiyang, Kuang Yuanyuan, Lu Yan, et al. High-resolution reconstruction of the ablative RT instability flow field via convolutional neural networks[J]. High Power Laser and Particle Beams, 2024, 36: 122004. doi: 10.11884/HPLPB202436.240015

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Hao Liang, Liu Zhanjun, Hu Xiaoyan, et al. Analysis of backscattered light spectra of SRS and SBS in hohlraum plasma[J]. High Power Laser and Particle Beams, 2015, 27: 032004. doi: 10.11884/HPLPB201527.032004

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Analysis of backscattered light spectra of SRS and SBS in hohlraum plasma

doi: 10.11884/HPLPB201527.032004

1.
Institute of Applied Physics and Computational Mathematics,Beijing 100094,China

Received Date: 2014-10-27
Rev Recd Date: 2014-11-29
Publish Date: 2015-02-10

Abstract

Abstract

This paper presents our study of stimulated backward Raman scattering (SRS) and stimulated backward Brillouin scattering (SBS) instabilities, which appeared when the pump laser passed through the hohlraum plasma in the indirect driven inertial confinement fusion (ICF). It mainly introduces the physical model of the spectral analysis code in detail and the simulated processes of SRS and SBS under different plasma parameter conditions. Influence of hohlraum plasma parameter on spectral characteristics of SRS and SBS are analyzed, and the beneficial parameters to restrain the instabilities are presented, which provide references to the relevant target design.
- inertial confinement fusion,
- stimulated Raman scattering,
- stimulated Brillouin scattering,
- analysis of scattered light spectra

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